Illustration of finding a sting, MATLAB in Engineering

Illustration of finding a sting:

Let's enlarge this, and write a script which creates a vector of strings which are phrases. The outcome is not suppressed so that the strings can be seen whenever the script is executed. It loops throughout the vector and passes each and every string to a function countblanks. This function counts the number of the blank spaces in a string, not involving any leading or trailing blanks.